Table 1.

Main clinical and histologic featuresa

Clinical FeaturesHistologic Features
DiagnosisNo. of CasesAge at Renal BiopsybSerum Creatinine (μmol/L)bC-ANCA (% of Cases)P-ANCA (% of Cases)Intracapillary Proliferation (0, +, ++, +++)Necrotizing Extracapillary Lesions (% of Glomeruli)Periglomerular Granulomas (% of Glomeruli)Renal Arteritis (% of Cases)
aValues are mean ± SD. WG, Wegener's granulomatosis; MPA, microscopic polyarteritis; RLV, renal limited vasculitis; ns, not significant.
bNo significant differences between groups.
CryoGN1855.4 ± 11.6212.2 ± 167.9--++/+++0011
WG1151.8 ± 14.7229.8 ± 123.78020060 ± 1518 ± 48
MPA949.9 ± 10.4229.8 ± 114.93070058 ± 2015 ± 88
RLV552.6 ± 11.9203.3 ± 159.12080038 ± 2910 ± 80